*Obamacare, once a catalyst, has been deemed a "catastrophe" by president-elect Trump and may be repealed.The threat builds on other issues, including ...*Teladoc faces a treacherous competitive field and has already lost a $1.5 million contract to rivals. *The low-barrier business is rather easily entered by TV doctors, drug stores and other healthcare providers.*The company is high cash-burn, negative earnings and recently filed a shelf registration ripe with dilution potential.*Even upbeat analysts expect continued negative earnings into the foreseeable future